`0551.ac.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:cc9a^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5d35^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.93.53^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.204.154^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`fiona.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a9d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fiona.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`fiona.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`fiona.ns.cloudflare.com`
		A	108.162.192.157^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fiona.ns.cloudflare.com`
		A	172.64.32.157^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fiona.ns.cloudflare.com`
		A	173.245.58.157^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fiona.ns.cloudflare.com`
NS	`hassan.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c95^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hassan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c395^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hassan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2395^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hassan.ns.cloudflare.com`
		A	108.162.195.149^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hassan.ns.cloudflare.com`
		A	162.159.44.149^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hassan.ns.cloudflare.com`
		A	172.64.35.149^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hassan.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.93.53, 172.67.204.154
		IPv6 hints	2606:4700:3030::ac43:cc9a, 2606:4700:3037::6815:5d35
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=241, name=cloudflare-ech.com
SOA	`fiona.ns.cloudflare.com`dns@cloudflare.com serial=2409093095

`ac.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2027271828

WOT: SAFE (94/100)

Same first word

0551.tv

0551.one

0551.casino

0551.de

0551.info

0551.life

0551.net

0551.ac.cn

0551.cn

0551.ro

0551.com

0551.xyz

0551.org

0551.ai

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1055.net

1505.com

5150.tv

1055.ru

5015.eu

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0155.pro

5510.eu

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5150.ai

0155.org

5501.net

1505.net

5150.life

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5510.org

5510.com

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0515.ru

1550.com

5105.ch

5051.cn

5150.nl

1055.co.jp

5105.com

5150.biz

0515.com

5150.dk

5015.cn

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0515.de

DNS History

21 records (6 active, 15 former)

●NSfiona.ns.cloudflare.com2026-07-19 → 2026-07-19 · 2 obs

○ 2026-06-25 08:46:36
● 2026-07-19 22:38:34

●NShassan.ns.cloudflare.com2026-07-19 → 2026-07-19 · 2 obs

○ 2026-06-25 08:46:36
● 2026-07-19 22:38:34

○NSkeenan.ns.cloudflare.com2026-06-25 → 2026-06-25 · 3 obs

○ 2019-01-28 18:45:44
● 2026-06-25 08:46:36
○ 2026-07-19 22:38:34

○NSns1.myhostadmin.net2019-01-28 → 2019-01-28 · 3 obs

● 2019-01-28 18:45:44
○ 2026-06-25 08:46:36
○ 2026-07-19 22:38:34

○NSns2.myhostadmin.net2019-01-28 → 2019-01-28 · 3 obs

● 2019-01-28 18:45:44
○ 2026-06-25 08:46:36
○ 2026-07-19 22:38:34

○NSns3.myhostadmin.net2019-01-28 → 2019-01-28 · 3 obs

● 2019-01-28 18:45:44
○ 2026-06-25 08:46:36
○ 2026-07-19 22:38:34

○NSns4.myhostadmin.net2019-01-28 → 2019-01-28 · 3 obs

● 2019-01-28 18:45:44
○ 2026-06-25 08:46:36
○ 2026-07-19 22:38:34

○NSns5.myhostadmin.net2019-01-28 → 2019-01-28 · 3 obs

● 2019-01-28 18:45:44
○ 2026-06-25 08:46:36
○ 2026-07-19 22:38:34

○NSns6.myhostadmin.net2019-01-28 → 2019-01-28 · 3 obs

● 2019-01-28 18:45:44
○ 2026-06-25 08:46:36
○ 2026-07-19 22:38:34

○NSzita.ns.cloudflare.com2026-06-25 → 2026-06-25 · 3 obs

○ 2019-01-28 18:45:44
● 2026-06-25 08:46:36
○ 2026-07-19 22:38:34

○A103.229.126.1202019-01-28 → 2019-01-28 · 3 obs

● 2019-01-28 18:45:44
○ 2026-06-25 08:46:36
○ 2026-07-19 22:38:34

●A104.21.93.532026-07-19 → 2026-07-19 · 2 obs

○ 2026-06-25 10:00:50
● 2026-07-19 22:38:34

●A172.67.204.1542026-07-19 → 2026-07-19 · 2 obs

○ 2026-06-25 10:00:50
● 2026-07-19 22:38:34

○A188.114.96.02026-06-25 → 2026-06-25 · 3 obs

○ 2026-06-25 08:46:36
● 2026-06-25 10:00:50
○ 2026-07-19 22:38:34

○A188.114.96.42026-06-25 → 2026-06-25 · 4 obs

○ 2019-01-28 18:45:44
● 2026-06-25 08:46:36
○ 2026-06-25 10:00:50
○ 2026-07-19 22:38:34

○A188.114.97.02026-06-25 → 2026-06-25 · 3 obs

○ 2026-06-25 08:46:36
● 2026-06-25 10:00:50
○ 2026-07-19 22:38:34

○A188.114.97.42026-06-25 → 2026-06-25 · 4 obs

○ 2019-01-28 18:45:44
● 2026-06-25 08:46:36
○ 2026-06-25 10:00:50
○ 2026-07-19 22:38:34

●A2606:4700:3030::ac43:cc9a2026-07-19 → 2026-07-19 · 2 obs

○ 2026-06-25 10:00:50
● 2026-07-19 22:38:34

●A2606:4700:3037::6815:5d352026-07-19 → 2026-07-19 · 2 obs

○ 2026-06-25 10:00:50
● 2026-07-19 22:38:34

○A2a06:98c1:3120::2026-06-25 → 2026-06-25 · 3 obs

○ 2019-01-28 18:45:44
● 2026-06-25 08:46:36
○ 2026-07-19 22:38:34

○A2a06:98c1:3121::2026-06-25 → 2026-06-25 · 3 obs

○ 2019-01-28 18:45:44
● 2026-06-25 08:46:36
○ 2026-07-19 22:38:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
0551.ac.cn	fiona.ns.cloudflare.com, hassan.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.149

NS records: fiona.ns.cloudflare.com, hassan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 0551.ac.cn (unsigned zone)

⏱️ Timing

Total: 1081ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.93.53, 172.67.204.154`
AAAA	2	`2606:4700:3030::ac43:cc9a, 2606:4700:3037::6815:5d35`
NS	2	`fiona.ns.cloudflare.com, hassan.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`fiona.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

0551.ac.cn resolves to four IP addresses: 104.21.93.53, 172.67.204.154, 2606:4700:3030::ac43:cc9a and 2606:4700:3037::6815:5d35.

www.tubepatrol.(0x787878), luygbgtd.cfd, pcpafikediri.org and two other host names share IP numbers with 0551.ac.cn.

Name Servers

Two name servers handle the delegation for 0551.ac.cn: fiona.ns.cloudflare.com and hassan.ns.cloudflare.com.

0551.ac.cn uses the same name servers as several other domains — among them 51benet.org.cn, obolee.com.cn, guangrigroup.com.cn and two more.

0551.ac.cn shares at least some of its name servers with other domains, including meakin.net, thebridgemed.com, himmelsfeste.de and two others.

Hostnames that resolve to 6 IP addresses:

fiona.ns.cloudflare.com resolves to 108.162.192.157, 172.64.32.157 and 173.245.58.157 among others, with 3 other IP addresses in total.

hassan.ns.cloudflare.com resolves to 108.162.195.149, 162.159.44.149 and 172.64.35.149 among others, with 3 other IP addresses in total.

0551.ac.cn - robtex.com

0551.ac.cn

ac.cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`0551.ac.cn`

`ac.cn`